Press Release:
May 15, 2006

Lawrenceville, NJ — May 15, 2006 — EPAM Systems, the #1 software engineering services provider in Eastern Europe, and Hyperion Solutions Corporation (NASDAQ: HYSL), the global leader in Business Performance Management software, have signed a multiyear contract by which EPAM will be providing development, testing, maintenance and consulting services to Hyperion.

More than 11,000 customers rely on Hyperion software to provide visibility into how their businesses are performing and to help them plan and model to improve that performance. Using Hyperion software, customers collect data, organize and analyze it, then communicate it across the enterprise. Hyperion offers the industry's only Business Performance Management solution that integrates financial management applications with a business intelligence platform into a single system.

Since 2002, EPAM has been a proven vendor to Hyperion and to Brio Software prior to its acquisition by Hyperion. This relationship has resulted in the development of numerous software solutions for Hyperion that have met with significant market success. Under the new contract, EPAM shall continue to support Hyperion's specialized solutions development as well as key integration efforts utilizing EPAM's proven software project implementation and consulting experience.

"We are impressed with EPAM's continuous ability to engage highly skilled engineers that support the on-time delivery of enterprise grade solutions," said Matthew Bradley, vice president corporate engineering, Hyperion. "EPAM's unique experience working with leading software vendors, while understanding industry-specific businesses, has provided tangible benefits to Hyperion".

"Building long-term relationships with clients is a strategic objective for EPAM as this supports the company's success and fosters development and growth," said Arkadiy Dobkin, EPAM CEO and President. "To achieve this, we are committed to meeting customer requirements and exceeding their expectations by using proven SDLC processes and staying ahead of the curve on the latest technologies and best practices. This optimizes the development lifecycle and promotes customer-oriented values at all levels of our company. We are very proud to extend our relationship with Hyperion".

About EPAM Systems

EPAM Systems is a global provider of software engineering outsourcing services. In January 2006, for the second consecutive year, EPAM was named No.1 of "Top 5 to Watch in Central and Eastern Europe" on the "Global Services 100" list by CMP-Cyber Media's Global Services Magazine and neoIT. Founded in 1993, EPAM maintains North American headquarters in Lawrenceville, NJ, and European headquarters in Budapest, Hungary, as well as support and delivery operations in UK and Germany. EPAM software development centers are located in Hungary, Russia, Ukraine, and Belarus. Product development, software testing, application reengineering, as well as ASM & infrastructure services are among EPAM’s core competencies.

EPAM's customer base includes industry leaders such as Reuters, London Stock Exchange, Colgate-Palmolive, British Telecom, Empire and CareFirst BlueCross BlueShield, Schlumberger and Halliburton and technology leaders such as SAP, Hyperion, BEA Systems and Microsoft. www.epam.com